Home / 30,855.42-46,278.40-9,792.73

Finding the Fourth Proportional to 30,855.42, 46,278.40 and 9,792.73

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Solution

The fourth proportional to 30,855.42, 46,278.40 and 9,792.73 is: 14,687.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,855.42 : 46,278.40 = 9,792.73 : x
  2. Step 2: Convert to fraction form
    30,855.42/46,278.40 = 9,792.73/x
  3. Step 3: Cross multiply
    30,855.42x = 46,278.40 × 9,792.73
  4. Step 4: Simplify right side
    30,855.42x = 453,191,783.14
  5. Step 5: Solve for x
    x = 453,191,783.14/30,855.42
  6. Step 6: Final answer
    x = 14,687.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.